{% extends 'layout.html' %}

{% block css %}
    <style>
        .content {
            margin-left: 20px;
        }
        .content a{
            display: block;
        }


    </style>
{% endblock %}

{% block menus %}
    {{ menu_string | safe }}
{% endblock %}

{% block content %}
    <h1>滑动滚轮返回顶部</h1>
    <div id="box" style="height: 2000px"></div>



{% endblock %}

{% block js %}
{% endblock %}